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Page Title:
Check the store automatic step circuits. |
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| MIL-R-85323(AS)
e.
Check the store automatic step circuits. The hooks
of the center ejector unit (Type I bomb rack) or
center aft ejector unit (Type II bomb rack) shall be
closed.
The hooks of the remaining ejector units
shall be open.
1.
Apply the test voltage to pin 4 and pin 7 of
connector J1.
2.
Apply the test voltage to pin 8 of connector
J1. Voltage shall exist between the center
contact and ground of the J7 connector (Type I
bomb rack) or the J13 connector (Type II bomb
rack).
Remove the test voltage from pin 8 of connector
3.
J1.
Repeat steps 2 and 3.
4.
5.
Remove all voltages from connector Jl, and open
the hooks of the center ejector unit (Type I
bomb rack) or center aft ejector unit (Type II
bomb rack).
6.
Close the hooks of the next ejector unit in the
firing sequence (see c.4).
Repeat steps 1
through 5.
7.
Repeat step 6 until all stations have been
checked.
f.
Check the CBU sensing circuit. The hooks of all the
ejector units shall be closed.
1.
Place a 10 ohm, 100 watt resistor across pins A
and E of connector J4 (Type I bomb rack) or
connector J7 (Type II bomb rack).
2.
Apply the test voltage to pin 4 and pin 7 of
connector J1.
3.
Apply the test voltage to pin 6 of connector J1
(the select rockets relay shall be energized).
Position the mode selector switch in the CBU
4.
position. Apply the test voltage to pin 8 of
connector J1. The voltage acres-s the resistor
shall be between 18 and 21 volts.
5.
Remove all voltages from connector J1.
14
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